Power quality logger



FIG. 1 is a top front right perspective view of a power quality logger showing our new design.

FIG. 2 is a bottom rear left perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a left side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is a top front right perspective view of another embodiment of a power quality logger showing our new design.

FIG. 10 is a bottom rear left perspective view thereof.

FIG. 11 is a front elevation view thereof.

FIG. 12 is a rear elevation view thereof.

FIG. 13 is a right side elevation view thereof.

FIG. 14 is a left side elevation view thereof.

FIG. 15 is a top plan view thereof; and,

FIG. 16 is a bottom plan view thereof.

The broken lines in the figures illustrate environment only and form no part of the claimed design. 

CLAIM The ornamental design for a power quality logger, as shown and described. 